Home / 4,177.63-5,765.20-2,289.18

Finding the Fourth Proportional to 4,177.63, 5,765.20 and 2,289.18

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Solution

The fourth proportional to 4,177.63, 5,765.20 and 2,289.18 is: 3,159.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,177.63 : 5,765.20 = 2,289.18 : x
  2. Step 2: Convert to fraction form
    4,177.63/5,765.20 = 2,289.18/x
  3. Step 3: Cross multiply
    4,177.63x = 5,765.20 × 2,289.18
  4. Step 4: Simplify right side
    4,177.63x = 13,197,574.81
  5. Step 5: Solve for x
    x = 13,197,574.81/4,177.63
  6. Step 6: Final answer
    x = 3,159.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.